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Mistral Small 3.1 vs Kimi-Dev

Mistral Mistral Small 3.1 vs Moonshot AI Kimi-Dev — side-by-side specs.

Mistral
Mistral Small 3.1
Moonshot AI
Kimi-Dev
Overview
CompanyMistralMoonshot AI
Release dateMar 17 2025Jun 2025
Model type
Open sourceYesYes
Specifications
Parameters
72B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Small 3.1 shipped 76 days before Kimi-Dev

Which is better: Mistral Small 3.1 or Kimi-Dev?

Mistral Small 3.1 and Kimi-Dev do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small 3.1 shipped 76 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Mistral Small 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was Kimi-Dev released?
Kimi-Dev was released by Moonshot AI on Jun 2025.

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